CN214261394U - Organic waste gas treatment device for printing production - Google Patents
Organic waste gas treatment device for printing production Download PDFInfo
- Publication number
- CN214261394U CN214261394U CN202023342125.2U CN202023342125U CN214261394U CN 214261394 U CN214261394 U CN 214261394U CN 202023342125 U CN202023342125 U CN 202023342125U CN 214261394 U CN214261394 U CN 214261394U
- Authority
- CN
- China
- Prior art keywords
- reaction chamber
- waste gas
- fixed shaft
- organic waste
- gas treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007789 gas Substances 0.000 title claims abstract description 28
- 239000010815 organic waste Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000007639 printing Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- 239000003054 catalyst Substances 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims description 9
- 108010081750 Reticulin Proteins 0.000 claims description 6
- 238000006555 catalytic reaction Methods 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012855 volatile organic compound Substances 0.000 description 12
- 230000003197 catalytic effect Effects 0.000 description 5
- 230000002265 prevention Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides an organic waste gas treatment device for printing production, which comprises a support, a fixed shaft, an ultraviolet lamp and a reaction chamber, wherein the fixed shaft is horizontally arranged on the support, the reaction chamber is a cylindrical structure with a circular cross section, the coaxial sleeve of the reaction chamber is sleeved outside the fixed shaft and is arranged on the support in a hanging manner, the reaction chamber is of a transparent structure, the catalyst is filled in the reaction chamber, and the ultraviolet lamp is arranged outside the fixed shaft in a surrounding manner; the utility model discloses the medial surface of reaction chamber can be covered comprehensively to the light that well ultraviolet lamp sent, and run through its transparent surface, covers whole reaction chamber inside to improve the ultraviolet coverage area under the condition that need not encircle to use a large amount of ultraviolet lamps, promoted organic waste gas treatment effect; pour into organic waste gas and carry out catalytic reaction in the reaction chamber inside in this embodiment, waste gas is poor at the inside circulation ability of reaction chamber to catalytic reaction is carried out with catalyst contact that can be better, further promotes the treatment effect.
Description
Technical Field
The utility model relates to a printing production facility technical field especially relates to an organic waste gas processing apparatus for printing production.
Background
Volatile Organic Compounds, commonly referred to as VOCs, are the first letter of the three Volatile Organic Compounds, and total Volatile Organic Compounds are sometimes also referred to as TVOC. Volatile Organic Compounds (VOCs) are important precursors for forming secondary pollutants such as fine particulate matters (PM2.5) and ozone (O3), and further cause atmospheric environmental problems such as dust haze and photochemical smog.
With the rapid development of industrialization and urbanization in China and the continuous increase of energy consumption, regional composite air pollution characterized by PM2.5 and O3 is increasingly prominent, the phenomenon of heavy air pollution in a region is increased in a large range, the sustainable development of socioeconomic performance is severely restricted, and the health of people is threatened. In order to fundamentally solve the pollution problems of PM2.5, O3 and the like, the quality of the atmospheric environment is improved practically. The country should actively promote the pollution prevention and control work of the key precursor VOCs. However, the basic of prevention and control of VOCs pollution in China is weak, and the problems of unclear discharge base number, unsound regulation standards, lagged control technology application, inadequate environmental supervision and the like exist. Meanwhile, the difficulty in establishing a VOCs pollution control system is high due to the fact that VOCs are complex in emission source, various in emission form and various in material variety. Therefore, how to comprehensively develop the prevention and control of VOCs pollution in accordance with the actual situation of China is a very slow, difficult and complex task.
In the production process of printed products, a large amount of raw materials adopt organic solvents, so certain VOCs waste gas is generated in the steps of printing, drying, airing, gluing and the like, and the treatment of the organic waste gas is also a key problem of a printing production workshop. Most of the time now, an air suction filtration system is used to suck out the air containing waste gas in the room and discharge the air into clean air, and then the sucked air is treated with waste gas. The ultraviolet catalytic oxidation mode is a green and environment-friendly treatment mode, and the principle is that ultraviolet rays are irradiated on a catalyst, so that organic waste gas and oxygen molecules are decomposed into water and carbon dioxide under the action of the catalyst. However, the currently used ultraviolet catalytic oxidation equipment has a certain problem, because of the fast gas flow rate and the single ultraviolet light source, the ultraviolet coverage area is limited, the catalytic effect cannot be well achieved, and if a plurality of ultraviolet lamps are used to be arranged in a surrounding manner, the cost is too high, so a better treatment device is needed.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides an organic waste gas processing apparatus for printing production, it is very fast that it has solved the gas flow rate that exists among the prior art, and the ultraviolet light source is single, and it is limited to lead to ultraviolet ray coverage area, can not play catalytic effect's problem well.
According to the embodiment of the utility model, the organic waste gas treatment device for printing production comprises a support, a fixed shaft, an ultraviolet lamp and a reaction chamber, wherein the support comprises a strip-shaped bottom plate and support plates, the support plates are mutually symmetrically and vertically arranged at two ends of the bottom plate, the fixed shaft is parallel to the bottom plate, and two ends of the fixed shaft are respectively and vertically fixed in the middle parts of the two support plates;
the reaction chamber is of a cylindrical structure with a circular cross section, is coaxially sleeved outside the fixed shaft and is connected with the fixed shaft through a fixed frame so as to be suspended on the bracket, is of a transparent structure, is filled with a catalyst, and is provided with an air inlet pipe and an air outlet pipe on the end faces of two ends; the ultraviolet lamps are arranged on the outer sides of the fixed shafts in a surrounding mode and enable the ultraviolet lamps to cover all inner side faces of the corresponding reaction chambers.
Furthermore, the bracket also comprises two opposite side plates and a top plate, so that a closed structure for covering the fixed shaft and the reaction chamber is formed.
Furthermore, all the inner surfaces of the supports are covered with reflectors.
Furthermore, the reaction chamber is filled with reticular fibers, and the catalyst is attached to the surfaces of the reticular fibers.
Furthermore, a plurality of separation layers perpendicular to the axial direction are arranged in the reaction chamber at equal intervals, and the separation layers are quantitative breathable films, so that the flow rate of gas passing through the separation layers is controlled.
The technical principle of the utility model is that: wherein the reaction chamber is a cylindrical structure with a circular ring-shaped section, the reaction chamber is made of transparent materials, and the ultraviolet lamp is coaxially arranged in the reaction chamber, so that light emitted by the ultraviolet lamp can completely cover the inner side surface of the reaction chamber, penetrates through the transparent surface of the reaction chamber and covers the inside of the whole reaction chamber.
Compared with the prior art, the utility model has the following beneficial effects:
1. the reaction chamber in the utility model is a cylindrical structure with a circular ring-shaped cross section, and is made of transparent material, and the ultraviolet lamp is coaxially arranged in the reaction chamber, so that the light emitted by the ultraviolet lamp can completely cover the inner side surface of the reaction chamber and penetrate through the transparent surface of the reaction chamber to cover the inside of the whole reaction chamber, thereby improving the ultraviolet coverage area without surrounding the use of a large number of ultraviolet lamps, enhancing the efficiency of catalytic reaction, improving the organic waste gas treatment effect and simultaneously having less cost;
2. pour into organic waste gas and carry out catalytic reaction inside the reacting chamber in this embodiment, because of the reacting chamber is actual small, and the surface area is big, therefore waste gas is poor at the inside circulation ability of reacting chamber to catalytic reaction is carried out with catalyst contact that can be better, further promotes the treatment effect.
Drawings
Fig. 1 is a schematic side cross-sectional view of an embodiment of the present invention.
Fig. 2 is a schematic view of the fixed shaft and the reaction chamber in the utility model.
FIG. 3 is a schematic sectional view of a part of a reaction chamber in the utility model.
In the above drawings: 1. a support; 2. a fixed shaft; 3. a reaction chamber; 4. an ultraviolet lamp; 5. a fixed mount; 6. an air inlet pipe; 7. an air outlet pipe; 11. a base plate; 12. a support plate; 13. a top plate; 31. a network fiber; 32. quantitative breathable films.
Detailed Description
The technical solution of the utility model is further explained with reference to the drawings and the embodiments.
As shown in fig. 1, the embodiment of the utility model provides an organic waste gas treatment device for printing production, including support 1, fixed axle 2, ultraviolet lamp 4 and reaction chamber 3. In a specific scheme, the support 1 comprises a strip-shaped bottom plate 11 and support plates 12, the support plates 12 are symmetrically and vertically arranged at two ends of the bottom plate 11, so that a concave-shaped support structure is formed, the fixed shaft 2 is parallel to the bottom plate 11, two ends of the fixed shaft 2 are vertically fixed in the middle of the two support plates 12 respectively, and the fixed shaft 2 is completely fixed and cannot rotate relative to the support plates 12.
As shown in fig. 2, in the present embodiment, the reaction chamber 3 is a cylindrical structure with a circular cross section, the reaction chamber 3 is coaxially sleeved outside the fixed shaft 2 and is connected to the fixed shaft 2 through the fixing frame 5, so that it is suspended on the bracket 1, wherein the fixing frame 5 is uniformly disposed on the fixed shaft 2, and the fixing frame 5 has a very fine diameter, which does not affect the light irradiation. The reaction chamber 3 is transparent, and the catalyst is filled in the reaction chamber 3, so that an external light source can penetrate through the surface of the reaction chamber 3 to enter the reaction chamber, and the external light source irradiates the catalyst to perform catalytic treatment on the organic waste gas in the reaction chamber. Still be provided with intake pipe 6 and outlet duct 7 on the both ends terminal surface of reacting chamber 3 in this embodiment respectively, it is preferred, intake pipe 6 sets up at reacting chamber 3 top, and outlet duct 7 sets up in reacting chamber 3 bottom, and macroscopically forms from last air current down, avoids having certain thermal organic waste gas gathering at reacting chamber 3 top.
Correspondingly, the ultraviolet lamps 4 are arranged around the outer side of the fixed shaft 2, so that the ultraviolet lamps cover the whole inner side surface of the corresponding reaction chamber 3. Therefore, the light emitted by the ultraviolet lamp 4 can completely cover the inner side surface of the reaction chamber 3, penetrate through the transparent surface of the reaction chamber and cover the inside of the whole reaction chamber 3, and therefore the ultraviolet coverage area is increased under the condition that a large number of ultraviolet lamps 4 are not required to be used in a surrounding mode.
In a further embodiment of the present embodiment, the support 1 further comprises two opposite side plates and a top plate 13, so as to form a closed structure enclosing the fixed shaft 2 and the reaction chamber 3. Furthermore, the entire inner surface of the bracket 1 is covered with a reflective mirror. Through the setting of 1 structure of closed support and reaction mirror, can seal the ultraviolet ray inside to through reflector repeated reflection and run through the reacting chamber 3, make full use of the energy of ultraviolet ray reduces extravagantly, and further improvement catalytic reaction's efficiency.
As shown in fig. 3, in a preferred embodiment, the reaction chamber 3 is filled with reticular fibers 31, and the catalyst is attached to the surface of the reticular fibers 31; therefore, the contact area of the catalyst and the organic waste gas can be increased, and the reaction speed is accelerated. Further preferably, a plurality of separation layers perpendicular to the axial direction are disposed in the reaction chamber 3 at equal intervals, and the separation layers are quantitative gas-permeable membranes 32 so as to control the flow rate of the gas when passing through the separation layers. Can control the velocity of flow of gas in the reacting chamber 3 through the separate layer, make it with more even speed from 6 one end flow direction outlet pipes 7 one end of intake pipe to more abundant and catalyst contact let exhaust gas reaction more thoroughly.
Finally, it is noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. An organic waste gas treatment device for printing production, which is characterized in that: the ultraviolet lamp comprises a support, a fixed shaft, ultraviolet lamps and a reaction chamber, wherein the support comprises a strip-shaped bottom plate and support plates, the support plates are symmetrically and vertically arranged at two ends of the bottom plate, the fixed shaft is parallel to the bottom plate, and two ends of the fixed shaft are respectively and vertically fixed in the middle of the two support plates;
the reaction chamber is of a cylindrical structure with a circular cross section, is coaxially sleeved outside the fixed shaft and is connected with the fixed shaft through a fixed frame so as to be suspended on the bracket, is of a transparent structure, is filled with a catalyst, and is provided with an air inlet pipe and an air outlet pipe on the end faces of two ends; the ultraviolet lamps are arranged on the outer sides of the fixed shafts in a surrounding mode and enable the ultraviolet lamps to cover all inner side faces of the corresponding reaction chambers.
2. An organic waste gas treatment device for printing production according to claim 1, wherein: the bracket also comprises two opposite side plates and a top plate, so that a closed structure for covering the fixed shaft and the reaction chamber is formed.
3. An organic waste gas treatment device for printing production according to claim 2, wherein: and all the inner surfaces of the brackets are covered with reflectors.
4. An organic waste gas treatment device for printing production according to claim 1, wherein: the inside of the reaction chamber is filled with reticular fibers, and the catalyst is attached to the surfaces of the reticular fibers.
5. An organic waste gas treatment device for printing production according to claim 1, wherein: a plurality of separation layers vertical to the axial direction are arranged in the reaction chamber at equal intervals, and the separation layers are quantitative breathable films, so that the flow rate of gas passing through the separation layers is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342125.2U CN214261394U (en) | 2020-12-31 | 2020-12-31 | Organic waste gas treatment device for printing production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342125.2U CN214261394U (en) | 2020-12-31 | 2020-12-31 | Organic waste gas treatment device for printing production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214261394U true CN214261394U (en) | 2021-09-24 |
Family
ID=77786904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023342125.2U Expired - Fee Related CN214261394U (en) | 2020-12-31 | 2020-12-31 | Organic waste gas treatment device for printing production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214261394U (en) |
-
2020
- 2020-12-31 CN CN202023342125.2U patent/CN214261394U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |